Answer:
$9.95 per shirt.
Step-by-step explanation:
Rate of change = [tex] \frac{y_2 - y_1}{x_2 - x_1} [/tex]
Using the values of two pairs, (13, 154.50) and (24, 263.95),
rate of change = [tex] \frac{109.45}{11} [/tex]
rate of change = 9.95 [/tex]
(Note: you'd get the same rate of change if you use the values of any two pairs on the table.)
The rate of change of the total cost of t-shirt with respect to the number of ordered t-shirt is $9.95 per shirt.
